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Viktor [21]
3 years ago
11

What is the first quartile of this data set?

Mathematics
2 answers:
Lunna [17]3 years ago
8 0

Answer: 12

Step-by-step explanation: Apex said so

Eduardwww [97]3 years ago
7 0

Answer:

12

Step-by-step explanation:

find the median:

19

find median of 10, 11, 12, 15, 17

median: 12

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Solving systems of equations using any method
andreev551 [17]

Answer:

x = 5 , y = 2

Step-by-step explanation:

Solve the following system:

{y = (7 x)/5 - 5 | (equation 1)

{y = (3 x)/5 - 1 | (equation 2)

Express the system in standard form:

{-(7 x)/5 + y = -5 | (equation 1)

{-(3 x)/5 + y = -1 | (equation 2)

Subtract 3/7 × (equation 1) from equation 2:

{-(7 x)/5 + y = -5 | (equation 1)

{0 x+(4 y)/7 = 8/7 | (equation 2)

Multiply equation 1 by 5:

{-(7 x) + 5 y = -25 | (equation 1)

{0 x+(4 y)/7 = 8/7 | (equation 2)

Multiply equation 2 by 7/4:

{-(7 x) + 5 y = -25 | (equation 1)

{0 x+y = 2 | (equation 2)

Subtract 5 × (equation 2) from equation 1:

{-(7 x)+0 y = -35 | (equation 1)

{0 x+y = 2 | (equation 2)

Divide equation 1 by -7:

{x+0 y = 5 | (equation 1)

{0 x+y = 2 | (equation 2)

Collect results:

Answer:  {x = 5 , y = 2

7 0
3 years ago
20 points and brainliest if right!!
Ipatiy [6.2K]

Answer:

f

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Please help with this!
GalinKa [24]

Answer:

-88

Step-by-step explanation:

Because when you all ad it down you get -96 and then -8= -88

8 0
2 years ago
Read 2 more answers
When a number is increased by 2.8%, the result is 56. What is the original number to
Sever21 [200]

Answer:

The original number was 54.5.

Step-by-step explanation:

If a number is increased by 2.8%, then it is 102.8% of it's original number.

In mathematics, "of" in virtually all cases means "multiplied by".

Therefore, we do the opposite:

1. Convert to a decimal.

102.8% = 1.028

2. Divide by the decimal.

56 \div 1.028 = 54.47

3. Round it to the nearest tenth.

54.47 rounds to 54.5.

6 0
3 years ago
Is -8.43 a integer whole number or a rational number ?
s2008m [1.1K]

Answer:

rational number

Step-by-step explanation:

A whole number would be just 8. Nothing behind it.

5 0
3 years ago
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